It may contain bacteria, dead skin or other residue from the mouth and the whole purpose of oil pulling is to remove these things from the body. (wellnessmama.com)
In fact, if you could peek inside your body youd find fire - retardant chemicals, heavy metals, pesticides, plastic particles, and dozens of other residues of modern life. (health.com)
This will enable you to make clean cuts without having to worry about your blade dragging because it has sap and other residue sticking to it. (geekwrapped.com)